package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
        //构建分页构造器
        Page pageInfo = new Page(page,pageSize);

        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);

        categoryService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

    @PostMapping
    public R<String> save(@RequestBody Category category){

        categoryService.save(category);

        return R.success("新增分类成功");
    }

    @DeleteMapping
    public R<String> delete(Long id){

        categoryService.remove(id);

        return R.success("分类信息删除成功");
    }

    @GetMapping("/{id}")
    public R<Category> getById(@PathVariable Long id){

        Category category = categoryService.getById(id);

        return R.success(category);
    }

    @PutMapping
    public R<String> update(@RequestBody Category category){

        categoryService.updateById(category);

        return R.success("修改成功");
    }

    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }
}
